82672111 has 2 divisors, whose sum is σ = 82672112. Its totient is φ = 82672110.

The previous prime is 82672091. The next prime is 82672123. The reversal of 82672111 is 11127628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82672111 - 2¹⁵ = 82639343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82672111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82612111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41336055 + 41336056.

It is an arithmetic number, because the mean of its divisors is an integer number (41336056).

Almost surely, 2^82672111 is an apocalyptic number.

82672111 is a deficient number, since it is larger than the sum of its proper divisors (1).

82672111 is an equidigital number, since it uses as much as digits as its factorization.

82672111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 28.

The square root of 82672111 is about 9092.4205248108. The cubic root of 82672111 is about 435.6319014610.

Adding to 82672111 its reverse (11127628), we get a palindrome (93799739).

The spelling of 82672111 in words is "eighty-two million, six hundred seventy-two thousand, one hundred eleven".